16. Hemoglobin SS, or hemoglobin Sβ0 thalassemia patient who is eligible for one of the two trials of myeloablative conditioning currently being conducted by the Aflac Center (SALT: Alternate-Donor Bone Marrow and Cord Blood Transplantation for Children with High-Risk Sickle Cell Disease Busulfan, fludarabine, ATG and Reduced-Dose Cyclophosphamide Conditioning for Allogeneic Hematopoietic Stem Cell Transplantation in Patients with Severe Sickle Cell Disease: a pilot study